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Stone, Kidney clinical trials

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NCT ID: NCT06031103 Completed - Stone, Kidney Clinical Trials

Clinical Efficacy of Mini-PCNLversus RIRS for the Management of Upper Urinary Tract Calculus (1-2.5 cm)

Start date: February 1, 2022
Phase: N/A
Study type: Interventional

The goal of this [ type of study:]prospective randomized clinical trial. The main question is to compare the outcomes of mini-percutaneous nephrolithotomy (m-PCNL) and retrograde intrarenal surgery (RIRS) in treating upper urinary tract calculus in children ≤ 10 years.

NCT ID: NCT05866081 Recruiting - Stone, Kidney Clinical Trials

Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative

Start date: June 1, 2023
Phase: N/A
Study type: Interventional

This is a multicenter prospective trial with randomized and observational cohorts assessing patient-reported outcomes and unplanned healthcare utilization following ureteroscopic treatment of renal and ureteral stones, with placement versus omission of a ureteral stent. Eligible participants in the randomization trial will be randomized to ureteroscopy with stent placement or stent omission. Eligible participants that consent to the observational only cohort will complete surveys and the treating physicians will decide the treatment options for the participants. The study team hypothesizes that: - Pain interference change from pre-surgery to Day 7-10 will differ between the two treatment arms. This hypothesis will be evaluated separately in the randomized and observational cohorts. - Unplanned healthcare utilization in the treatment arms will have different unplanned healthcare utilization ranks leading to a win proportion significantly higher or lower than 0.5 in the stent omission arm compared to the stent placement arm. This hypothesis will be evaluated separately in the randomized and observational cohorts.

NCT ID: NCT05759767 Active, not recruiting - Pediatric Disorder Clinical Trials

The Efficacy and Safety of Medical Expulsive Therapy After Extracorporeal Shock Wave Lithotripsy (ESWL) in Pediatric Urolithiasis

Start date: February 1, 2021
Phase: N/A
Study type: Interventional

The aim of this study is to evaluate the clinical efficacy and safety of MET after ESWL in pediatric urolithiasis.

NCT ID: NCT05646069 Completed - Stone, Kidney Clinical Trials

Evaluation of Novel Disposable Flexible Ureteroscope for the Treatment of Renal Calculi

Start date: November 15, 2022
Phase: N/A
Study type: Interventional

This study is designed to provide an evaluation of currently available disposable flexible ureteroscopes in real-world conditions. Due to high re-processing costs associated with re-usable flexible ureteroscopes, there has been a demand for Urologic device manufacturers to provide single-use flexible ureteroscopes.

NCT ID: NCT05535816 Recruiting - Clinical trials for Ultrasound Therapy; Complications

Accuracy of Ultrasound for Detecting Residual Fragments During RIRS

Start date: March 27, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to assess the accuracy of ultrasound and traditional fluoroscopy to find the residual fragments before retrograde intrarenal surgery is complete. This would ultimately limit the need for radiation exposure and improve the quality of clinical care given to patients and healthcare teams.

NCT ID: NCT05460559 Recruiting - Stone, Kidney Clinical Trials

Endoscopic Combined Intrarenal Surgery Versus Multi-Tract Percutaneous Nephrolithotomy for Complex Renal Stones:

Start date: March 1, 2022
Phase: N/A
Study type: Interventional

The aim of this study is to compare outcomes of endoscopic combined intrarenal surgery (ECIRS) with the multi-tract percutaneous nephrolithotomy for management of complex renal stones.

NCT ID: NCT05413603 Completed - Child, Only Clinical Trials

Shock Wave Lithotripsy Using Fluoroscopic Versus Ultrasonic Localization

Start date: May 25, 2022
Phase: N/A
Study type: Interventional

Epidemiological studies have shown a progressive increase in the incidence of pediatric urolithiasis over the past few decades.

NCT ID: NCT05389982 Recruiting - Stone, Kidney Clinical Trials

Mobile Health Platform for Surveillance of Kidney Stone

Start date: August 1, 2022
Phase: N/A
Study type: Interventional

We plan to investigate whether usage of a mobile health platform for surveillance of stone formers by itself or as an adjunct to standard office-appointments will improve patient compliance and adherence to treatment guidelines and ultimately improve patient care, satisfaction, quality of life, and decrease stone recurrence.

NCT ID: NCT05340088 Completed - Urolithiasis Clinical Trials

Optimal Passive Dilation Time in Retrograde Intrarenal Surgery

Start date: September 1, 2021
Phase:
Study type: Observational

Retrograde intrarenal surgery (RIRC) is used as standard treatment for stones less than 2 cm. In some cases, the ureteral access sheath cannot be placed due to ureteral stricture. In this case, a double j stent (DJ) is placed to passively dilate the ureter, and the RIRC is postponed for post-dilatation. The aim of the study is to determine the optimal time for RIRC operation in cases where a double j stent was placed for passive dilatation.

NCT ID: NCT05340075 Completed - Urolithiasis Clinical Trials

Staged Bilateral Percutaneous Nephrolithotomy

Start date: September 15, 2021
Phase:
Study type: Observational

To determine the optimal time between the first and second operations in patients with bilateral kidney stones and scheduled percutaneous nephrolithotomy for the contralateral kidney. Patients who underwent percutaneous nephrolithotomy to the contralateral kidney 2-4 weeks and 4-6 weeks after the first operation will be compared.